Substrate ... Grr ...

Animus

Member
So I'm working on the substrate layer of my 33 gallon build and as I'm about to open the bag of gravel to cover my enriched base, I see that the stone has a polymer coating. What the heck is that for! Did I just spend good money on a lousy product? I've never seen this on any of my other substrates before so naturally I'm reluctant to put it in my tank. Any of you ever researched this before?
Animus
 

AquaticJ

Member
It’s for appearance and also to prevent color leaching into the tank. It’s common and will not harm anything.
 
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Animus

Member
AquaticJ said:
It’s for appearance and also to prevent color leaching into the tank. It’s common and will not harm anything.
Thanks, I've been trying to get underway on this build for weeks and keep running into challenges. It's been an exercise in patience to say the least lol.
 
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